Britain set for fortnight of rain, thunder and chilly winds as northerly winds delay summer heat
A cold first weekend of summer is expected
Thames Water urges millions of Britons to stop using hosepipes but stops short of outright ban
Customers have been advised to reuse water and let their lawns go dry
Met Office records hottest ever May day as 35C heatwave hits London
An amber weather warning is in place until Thursday evening
